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(Solved): Let sin(A)=(8)/(17) with A in QII and sin(B)=-(12)/(13) with B in QIII. (a) Find sin(A+B),cos(A+B), ...
Let
sin(A)=(8)/(17)with
Ain QII and
sin(B)=-(12)/(13)with
Bin QIII. (a) Find
sin(A+B),cos(A+B), and
tan(A+B).
sin(A+B)=
cos(A+B)=
tan(A+B)=(b) In what quadrant does
A+Bterminate? QI QII QIII QIV
